Veronica chamaedrys is a perennial herb from rhizomes, stems hairy, prostrate or ascending, to 30 cm long.
Leaves all opposite, to 3 cm long, 2 cm wide, egg-shaped, tip blunt, base broad, stalkless, margin coarsely blunt-toothed.
Flowers blue to 1.2 cm wide, 4-parted, slightly irregular; inflorescence stems unbranched (racemes), in leaf axils, with 10-20 flowers, solitary in axils of small alternate bracts, blooms May-June.
Fruit dry, flattened, heart-shaped, 2-parted capsule 0.3 cm wide (apparently rarely produced).
Wetland status: UPL.
Frequency in NYC: Infrequent.
Habitat: Lawns, open areas, edges.